body {
	width: 960px;
	margin: 0 auto;
	font: 18px/1.8em '微软雅黑';
}
h1 {
	color: green;
}
h2 {
	border-bottom: 2px solid green;
	line-height: 1.8em;
}
p {
	font-size:20;
	padding: 5px 0;
}
#foot p {
	text-align: center;
	font-size: 12px;
	border-top: 1px solid green;
}
#foot p span {
	margin: 0 20px;
}